code: def create_client_session(self):
      if litellm.client_session:
          _client_session = litellm.client_session
      else:
          _client_session = httpx.Client()
  
      return _client_session
  
file_path: litellm/litellm/llms/base.py
imports: import litellm
  import httpx
  from typing import Optional
label_desc: Use image node_id 1 for calling the BaseLLM obj's underlying member method code with example usage: obj.create_client_session() and returns: _client_session